Re: [PATCH v2 net-next] ipv4: fib: Remove unnecessary encap_type check

From: Kuniyuki Iwashima
Date: Wed Jun 25 2025 - 13:02:53 EST


On Tue, Jun 24, 2025 at 7:04 PM Yue Haibing <yuehaibing@xxxxxxxxxx> wrote:
>
> lwtunnel_build_state() has check validity of encap_type,
> so no need to do this before call it.
>
> Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx>

Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>

Next time please wait 24h before reposting.
https://docs.kernel.org/process/maintainer-netdev.html

Thanks!


> ---
> v2: Restore encap_type check in fib_encap_match()
> ---
> net/ipv4/fib_semantics.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
> index f7c9c6a9f53e..a2f04992f579 100644
> --- a/net/ipv4/fib_semantics.c
> +++ b/net/ipv4/fib_semantics.c
> @@ -625,11 +625,6 @@ int fib_nh_common_init(struct net *net, struct fib_nh_common *nhc,
> if (encap) {
> struct lwtunnel_state *lwtstate;
>
> - if (encap_type == LWTUNNEL_ENCAP_NONE) {
> - NL_SET_ERR_MSG(extack, "LWT encap type not specified");
> - err = -EINVAL;
> - goto lwt_failure;
> - }
> err = lwtunnel_build_state(net, encap_type, encap,
> nhc->nhc_family, cfg, &lwtstate,
> extack);
> --
> 2.34.1
>